00001 // -*- c++ -*- 00002 // 00003 // $Id: inputwidget.h,v 1.5 2008-02-13 20:47:48 rafi Exp $ 00004 // 00005 // YAPET -- Yet Another Password Encryption Tool 00006 // Copyright (C) 2008 Rafael Ostertag 00007 // 00008 // This program is free software: you can redistribute it and/or modify 00009 // it under the terms of the GNU General Public License as published by 00010 // the Free Software Foundation, either version 3 of the License, or 00011 // (at your option) any later version. 00012 // 00013 // This program is distributed in the hope that it will be useful, 00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 // GNU General Public License for more details. 00017 // 00018 // You should have received a copy of the GNU General Public License 00019 // along with this program. If not, see <http://www.gnu.org/licenses/>. 00020 // 00021 00022 #ifndef _INPUTWIDGET_H 00023 #define _INPUTWIDGET_H 00024 00025 #ifdef HAVE_CONFIG_H 00026 # include <config.h> 00027 #endif 00028 00029 #ifdef HAVE_NCURSES_H 00030 # include <ncurses.h> 00031 #else // HAVE_NCURSES_H 00032 # ifdef HAVE_CURSES_H 00033 # include <curses.h> 00034 # else 00035 # error "Neither curses.h nor ncurses.h available" 00036 # endif // HAVE_CURSES_H 00037 #endif // HAVE_NCURSES_H 00038 #include "curswa.h" // Leave this here. It depends on the above includes. 00039 00040 #ifdef HAVE_STRING 00041 # include <string> 00042 #endif 00043 00044 #include "uiexception.h" 00045 #include "secstring.h" 00046 00047 namespace YAPETUI { 00060 class InputWidget { 00061 private: 00062 WINDOW* window; 00063 secstring buffer; 00064 00065 int max_length; 00066 int start_pos; 00067 int pos; 00068 int width; 00069 bool text_changed; 00070 00071 inline InputWidget(const InputWidget&) {} 00072 inline const InputWidget& operator=(const InputWidget&) { return *this; } 00073 00074 void moveBackward() throw(UIException); 00075 void moveForward() throw(UIException); 00076 void moveHome() throw(UIException); 00077 void moveEnd() throw(UIException); 00078 void processBackspace() throw(UIException); 00079 void processDelete() throw(UIException); 00080 void processInput(int ch) throw(UIException); 00081 00082 protected: 00083 void createWindow(int sx, int sy, int w) throw(UIException); 00084 inline const WINDOW* getWindow() const { return window; } 00085 inline WINDOW* getWindow() { return window; } 00086 inline int getStartPos() const { return start_pos; } 00087 inline int getPos() const { return pos; } 00088 inline int getWidth() const { return width; } 00089 inline secstring& getBuffer() { return buffer; } 00090 inline const secstring& getBuffer() const { return buffer; } 00091 00092 public: 00093 InputWidget(int sx, int sy, int w, int ml = 512) throw(UIException); 00094 virtual ~InputWidget(); 00095 00096 int focus() throw(UIException); 00097 virtual void refresh() throw(UIException); 00098 void resize(int sx, int sy, int w) throw(UIException); 00099 void setText(secstring t) throw(UIException); 00100 inline secstring getText() const { return buffer; } 00101 void clearText(); 00102 bool isTextChanged() const { return text_changed; } 00103 }; 00104 00105 } 00106 00107 #endif // _INPUTWIDGET_H